* Build errors due to 64 bit xchg/cmpxchg operations in fs/nfs/flexfilelayout
@ 2015-06-27 4:09 Guenter Roeck
[not found] ` <CAHQdGtRURfhjoY0EMGMWQR=Yw-tiKr3PWWZ1YVCu9+u8ff9xFw@mail.gmail.com>
0 siblings, 1 reply; 2+ messages in thread
From: Guenter Roeck @ 2015-06-27 4:09 UTC (permalink / raw)
To: linux-next@vger.kernel.org; +Cc: Trond Myklebust, Peng Tao, linux-nfs
Hi,
commits 'pNFS/flexfiles: add layoutstats tracking' and 'pnfs/flexfiles: report layoutstat
regularly' in -next introduce 64 bit xchg and cmpxchg operations. This causes compile
errors with 32 bit builds on architectures which do not support those operations.
arm:shmobile_defconfig:
fs/built-in.o: In function `nfs4_ff_end_busy_timer':
:(.text+0xa7110): undefined reference to `__bad_xchg'
fs/built-in.o: In function `nfs4_ff_layoutstat_start_io':
:(.text+0xa7304): undefined reference to `__bad_cmpxchg'
:(.text+0xa731c): undefined reference to `__bad_cmpxchg'
:(.text+0xa73d8): undefined reference to `__bad_cmpxchg'
xtensa:allmodconfig:
ERROR: "__xchg_called_with_bad_pointer" [fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko] undefined!
ERROR: "__cmpxchg_called_with_bad_pointer" [fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko] undefined!
Guenter
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Build errors due to 64 bit xchg/cmpxchg operations in fs/nfs/flexfilelayout
[not found] ` <CAHQdGtRURfhjoY0EMGMWQR=Yw-tiKr3PWWZ1YVCu9+u8ff9xFw@mail.gmail.com>
@ 2015-06-27 5:39 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2015-06-27 5:39 UTC (permalink / raw)
To: Trond Myklebust
Cc: Tao Peng, Linux NFS Mailing List, linux-next@vger.kernel.org
On 06/26/2015 09:15 PM, Trond Myklebust wrote:
>
> On Jun 27, 2015 12:09 AM, "Guenter Roeck" <linux@roeck-us.net <mailto:linux@roeck-us.net>> wrote:
> >
> > Hi,
> >
> > commits 'pNFS/flexfiles: add layoutstats tracking' and 'pnfs/flexfiles: report layoutstat
> > regularly' in -next introduce 64 bit xchg and cmpxchg operations. This causes compile
> > errors with 32 bit builds on architectures which do not support those operations.
> >
> > arm:shmobile_defconfig:
> >
> > fs/built-in.o: In function `nfs4_ff_end_busy_timer':
> > :(.text+0xa7110): undefined reference to `__bad_xchg'
> > fs/built-in.o: In function `nfs4_ff_layoutstat_start_io':
> > :(.text+0xa7304): undefined reference to `__bad_cmpxchg'
> > :(.text+0xa731c): undefined reference to `__bad_cmpxchg'
> > :(.text+0xa73d8): undefined reference to `__bad_cmpxchg'
> >
> > xtensa:allmodconfig:
> >
> > ERROR: "__xchg_called_with_bad_pointer" [fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko] undefined!
> > ERROR: "__cmpxchg_called_with_bad_pointer" [fs/nfs/flexfilelayout/nfs_layout_flexfiles.ko] undefined!
> >
> > Guenter
>
> Hi Guenter
>
> Is this still the case with today's update? The latest patch from Tao was intended to remove those calls.
>
Hi Trond,
This is with next-20150626. I'll let you know if it still happens with the next build.
Guenter
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2015-06-27 4:09 Build errors due to 64 bit xchg/cmpxchg operations in fs/nfs/flexfilelayout Guenter Roeck
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